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Unread 11-10-2014, 07:01 PM   #1
Not Yet Wild
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Default Voltage Reducer Wiring options

I'm installing a front LED light bar and small tail lights on my cart. These lights will get very little use. My questions is: Will the reducer cause any battery drain while wired with key on activation or is there a way to wire the reducer so I can turn it on only when I need it?
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Unread 11-10-2014, 08:06 PM   #2
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Default Re: Voltage Reducer Wiring options

Without any 12v load, the converter will drain a negligible amount of current from the pack.
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Unread 11-10-2014, 08:11 PM   #3
Epb
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Default Re: Voltage Reducer Wiring options

The draw is mA minor not to worry. My reducer has a trigger wire so i use it and if i dont have accessories on i dont worry about the draw. You cant put a switch in-line of either side of the positive 48v input to reducer or positive output to accessory fuse panel.
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Unread 11-11-2014, 09:39 PM   #4
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Default Re: Voltage Reducer Wiring options

Is a 48v rated switch between the battery positive and the reducer ok to use or is a relay also needed.

Epb, I noticed your from Katy. My wife graduated from Katy high school, small world.
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Unread 11-11-2014, 09:53 PM   #5
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Default Re: Voltage Reducer Wiring options

As a main on / off per your original desire its fine. I took sergios recommendation of a relay when activated by key switch. Others say not needed but for 6 bucks why not if it saves me a hundo !

It is a small world. Tell her katy lost to the woodlands ....first loss in league play in 6 years or something like that. Still have a chance for state. People freakin move within a mile just to be in district.
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Unread 11-23-2014, 10:08 PM   #6
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Default Re: Voltage Reducer Wiring options

Do you or Sergio have a schematic of how the relay would be wired. Is the Potter and Brumfield T9AP1D52-48-01 the correct relay?
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Unread 11-23-2014, 10:49 PM   #7
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Default Re: Voltage Reducer Wiring options

You don't need a relay if the converter you bought has a "trigger" wire (5 wire converter), you just run the "trigger" wire to the cold side of the key switch. The +48v Input for the converter comes straight from the pack positive, with a fuse near the battery.

Otherwise that is the correct relay part number, it should be under $5.

48v relay.


How to wire the relay.
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Unread 11-24-2014, 01:38 AM   #8
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Default Re: Voltage Reducer Wiring options

Sergio, I bought this reducer. It is (4) wire, but has a trigger wire for the switch.

http://www.golfcartking.com/Golf-Car.../volt-0012.htm

I figured if a $10 relay would help protect the reducer, why not. The reducer won't be used much, but necessary for lighting. Thank You for your help.
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